Authors: Daniel Schulman
A compilation of home movies and photos was introduced as evidence in a 1991 legal battle over the will of the family matriarch, Mary Robinson Koch. Mary with David, Charles, Bill, and Frederick at the family compound in Wichita.
Credit for film stills: Courtesy of Michael Oliver
The box shows Bill, Charles, David, and Frederick as boys.
Credit for film stills: Courtesy of Michael Oliver
David lands a punch on his twin brother Bill. Briefly captain of the MIT boxing team, Fred taught his sons the finer points of pugilism.
Credit for film stills: Courtesy of Michael Oliver
Charles, the second-born son, grew Koch Industries into America’s second-largest private company.
Photo Credit for Charles photo: © Bo Rader/Wichita Eagle/MCT via Getty Images.
Frederick, seen here with his mother in 1990, had little interest in the family business, and became a patron of the arts.
Photo Credit for Frederick photo: Courtesy of Michael Oliver
When he was a bachelor, David Koch threw legendary parties. Here he rings in New Year’s Eve in Aspen.
Credit for David photo: ©Dafydd Jones.
Twin brother Bill celebrates his 1992 America’s Cup win in San Diego, California.
Credit for Bill photo: ©Vince Bucci/AFP/Getty Images
David, who ran as the Libertarian Party’s vice presidential candidate in 1980, appears on stage in Los Angeles with the party’s presidential nominee Ed Clark.
David Libertarian Party photo: ©AP Photo/Randy Rasmussen.
David, seated with Koch Industries top political advisor Richard Fink, at a November 2011 Americans For Prosperity summit.
David and Richard Fink: ©Chip Somodevilla/Getty Images.
David and wife Julia at the January 2013 groundbreaking of the David H. Koch Plaza at New York’s Metropolitan Museum of Art.
David and Julia at the Met: ©Astrid Stawiarz/Getty Images
On August 24, 1996, teenagers Jason Stone and Danielle Smalley drove into a cloud of butane leaking from a Koch Industries pipeline. Both were killed in the explosion. This is what remained of Smalley’s truck.
Greenpeace’s airship circles over Rancho Mirage, California, in January 2011 ahead of a private meeting of Charles and David’s political donor network.
Photo Credit for Greenpeace photo: ©Gus Ruelas